Patents by Inventor Tomoko Machida

Tomoko Machida has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9090703
    Abstract: By a silk fibroin porous material containing silk fibroin and an amino acid and a method for producing a silk fibroin porous material including freezing a fibroin solution having an amino acid added to a fibroin aqueous solution and subsequently thawing the solution to obtain a porous material, a porous material which does not contain a solvent and which is high in safety and a method for producing the same are provided.
    Type: Grant
    Filed: April 5, 2011
    Date of Patent: July 28, 2015
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Kazutoshi Kobayashi, Naosuke Sumi, Kazuo Kusaki, Tomoko Machida
  • Publication number: 20130109836
    Abstract: By a silk fibroin porous material containing silk fibroin and an amino acid and a method for producing a silk fibroin porous material including freezing a fibroin solution having an amino acid added to a fibroin aqueous solution and subsequently thawing the solution to obtain a porous material, a porous material which does not contain a solvent and which is high in safety and a method for producing the same are provided.
    Type: Application
    Filed: April 5, 2011
    Publication date: May 2, 2013
    Inventors: Kazutoshi Kobayashi, Naosuke Sumi, Kazuo Kusaki, Tomoko Machida